Advisory Details

October 19th, 2018

Trend Micro Anti-Virus UrlfWTPPagePtr KERedirect Use-After-Free Privilege Escalation Vulnerability

CVE ID	CVE-2018-15366
CVSS SCORE	6.9, AV:L/AC:M/Au:N/C:C/I:C/A:C
AFFECTED VENDORS	Trend Micro
AFFECTED PRODUCTS	Anti-Virus
VULNERABILITY DETAILS	This vulnerability allows local attackers to escalate privileges on vulnerable installations of Trend Micro Anti-Virus. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the UrlfWTPPagePtr variable in the KERedirect kext. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the kernel.
ADDITIONAL DETAILS	Trend Micro has issued an update to correct this vulnerability. More details can be found at: https://esupport.trendmicro.com/en-US/home/pages/technical-support/1121296.aspx
DISCLOSURE TIMELINE	2018-06-22 - Vulnerability reported to vendor 2018-10-19 - Coordinated public release of advisory 2018-10-19 - Advisory Updated
CREDIT	vms

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